12" subwoofer with dual 2-ohm voice coils injection-molded polypropylene cone rubber surround power handling: 175-500 watts RMS (250 watts per coil) peak power handling: 1, 000 watts frequency response: 25-500 Hz sensitivity: 86.9 dB top-mount depth: 5-3/4" sealed box volume: 1.0 - 2.0 cu. ft. ported box volume: 1.75 - 2.25 cu. ft. grille not included